package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/*
报表操作
*/

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;


    //会员数量折线图
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){
        //使用模拟数据测试
/*        Map<String,Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();
        months.add("2018.02");
        months.add("2018.03");
        months.add("2018.04");
        map.put("months",months);

        List<Integer> memberCount = new ArrayList<>();
        memberCount.add(100);
        memberCount.add(200);
        memberCount.add(300);
        map.put("memberCount",memberCount);*/


        Map<String,Object> map = new HashMap<>();
        List<String> months = new ArrayList<>();
        Calendar calendar = Calendar.getInstance();//获得日历对象,模拟时间就是当前时间

        //计算过去一年的12个月
        calendar.add(Calendar.MONTH,-24);//获得当前时间往前推12个月的时间
        for (int i = 0; i < 24; i++) {
            calendar.add(Calendar.MONTH,1);
            Date time = calendar.getTime();
            months.add(new SimpleDateFormat("yyyy.MM").format(time));
        }
        map.put("months",months);




        List<Integer> memberCount = memberService.findMemberCountByMonth(months);
        map.put("memberCount",memberCount);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
    }


    //套餐统计饼图
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        //使用模拟数据测试
        /*Map<String,Object> data = new HashMap<>();
        List<String> setmealNames = new ArrayList<>();
        setmealNames.add("体检套餐");
        setmealNames.add("入职体检");
        data.put("setmealNames",setmealNames);


        List<Map<String,Object>> setmealCount = new ArrayList<>();
        Map map1 = new HashMap();
        map1.put("name","体检套餐");
        map1.put("value",200);

        Map map2 = new HashMap();
        map2.put("name","入职体检");
        map2.put("value",300);

        setmealCount.add(map1);
        setmealCount.add(map2);

        data.put("setmealCount",setmealCount);*/


        try {
            Map<String,Object> data = new HashMap<>();

            List<Map<String,Object>> setmealCount = setmealService.findSetmealCount();
            data.put("setmealCount",setmealCount);

            //遍历setmealCount，取出setmealNames
            List<String> setmealNames = new ArrayList<>();
            for (Map<String, Object> map : setmealCount) {
                String name = (String) map.get("name");
                setmealNames.add(name);
            }

            data.put("setmealNames",setmealNames);

            return new Result(true,MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,data);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }

    //运营数据统计
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){


        //使用模拟数据
        /*Map<String,Object> data = new HashMap<>();
        data.put("reportDate","2019.10.10");
        data.put("todayNewMember",100);
        data.put("totalMember",20000);
        data.put("thisWeekNewMember",300);
        data.put("thisMonthNewMember",500);
        data.put("todayOrderNumber",100);
        data.put("todayVisitsNumber",90);
        data.put("thisWeekOrderNumber",300);
        data.put("thisWeekVisitsNumber",290);
        data.put("thisMonthOrderNumber",500);
        data.put("thisMonthVisitsNumber",400);

        List<Map<String, Object>> hotSetmeal = new ArrayList<>();
        Map<String, Object> map = new HashMap<>();
        map.put("name","阳光爸妈升级肿瘤12项筛查体检套餐");
        map.put("setmeal_count",300);
        map.put("proportion",0.5);

        Map<String, Object> map1 = new HashMap<>();
        map1.put("name","珍爱高端升级肿瘤12项筛查");
        map1.put("setmeal_count",200);
        map1.put("proportion",0.2);

        hotSetmeal.add(map);
        hotSetmeal.add(map1);

        data.put("hotSetmeal",hotSetmeal);*/

        try {
            Map<String, Object> result = reportService.getBusinessReport();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

    //导出excel文件
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest req, HttpServletResponse resp){
        try {
            Map<String, Object> result = reportService.getBusinessReport();
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件的绝对路径(File.separator:相当于斜线)
            String templateRealPath = req.getSession().getServletContext().getRealPath("template")+File.separator+ "report_template.xlsx";


            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(templateRealPath)));
            //读取第一个工作表
            XSSFSheet sheet = workbook.getSheetAt(0);
            //获得第三行第六列
            XSSFRow row = sheet.getRow(2);
            XSSFCell cell = row.getCell(5);
            cell.setCellValue(reportDate);//设置报表日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }


            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = resp.getOutputStream();
            //设置响应头信息
            resp.setContentType("application/vnd.ms-excel");//代表excel文件类型
            //content-Disposition:下载的类型，attachment:以附件形式
            resp.setHeader("content-Disposition","attachment;filename=report.xlsx");
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

    //导出pdf文件
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest req, HttpServletResponse resp){
        try {
            Map<String, Object> result = reportService.getBusinessReport();

            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //动态获取模板文件绝对磁盘路径
            String jrxmlPath =
                    req.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath =
                    req.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);


            //填充数据---使用JavaBean数据源方式填充
            JasperPrint jasperPrint =
                    JasperFillManager.fillReport(jasperPath,result,
                            new JRBeanCollectionDataSource(hotSetmeal));

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = resp.getOutputStream();
            resp.setContentType("application/pdf");
            resp.setHeader("content-Disposition", "attachment;filename=report.pdf");

            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);

            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

}
